Replaceable surge limiter module T1, T2 (B, C) - spark gap MOD. GSM T12 275/25 002440614

Electrical installation protection with ETI POLAM replaceable module

This replaceable surge limiter module, catalog number 002440614, is a key element ensuring the safety and reliability of the electrical installation. Designed for use in TT, TN-S and TN-C networks, it effectively protects against the effects of atmospheric and switching surges.

Its compact size – only 1 module – makes it easy to install in distribution boards.

Functionality and application

The GSM T12 275/25 module is classified as a type 1+2 limiter (B+C), which means it provides protection against both direct and indirect lightning strikes. The surge current level of 25 kA guarantees an effective response in the event of sudden voltage spikes. Optical indication of operation facilitates quick identification of an emergency situation and allows for efficient module replacement. Rated voltage of AC 230V and the highest continuous operating voltage of 275V make it an ideal solution for standard electrical installations in residential and commercial buildings.

Construction and characteristics

The module construction is based on spark gap technology, which ensures high efficiency and long life. Specific energy at 156.2 kJ/Ohm indicates its ability to absorb large surge energies. Mounting is done on a base, simplifying the installation process. The lack of integrated overcurrent protection means that the module works with external protection devices, creating a comprehensive protection system. It is worth noting the protection level of 1.55 kV – this value determines the effectiveness of the limiter in suppressing surges. Optical signaling allows for visual monitoring of the device status without the need for disassembly.